From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D4EC9C25B7D for ; Mon, 27 May 2024 13:30:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uyE8Gdug3JNVyqe/rwmolFXXGhgB/qeY8ZJNowrvTeU=; b=XSZ+ewND6+zkD0 gBheQR3Ad3s+D+zY0lbUqHm6ATHFU+IRr332212DlNDVekrGs2d/ENiY7he+3gniORYoOJKc4i7Sc v1/h7/Tz1wcpH55AJkv6dRC48lkvlfeE9DvZE0ds8YyVjqzzNsUfapNNLCJOrBuiyNJV4x+ZnM/fe FeXYEO6EfJmtUAeK/ArwzBcdULz2lki2wKuzjgLpL80/3DXmSPn+mAimoia9dX9VFS9RyrDrSmuxJ how+wndJ58vdPHN/TA57jHOMvIon0TEoHw0mJbC5FW80S+OjT/s3jIj02G9cyWo7X/SKzWbDiSI5C 1D/DptIWM0oQPtelgViQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBaQo-0000000F5ym-1kCG; Mon, 27 May 2024 13:30:30 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBZJm-0000000EqCo-3Vyg; Mon, 27 May 2024 12:19:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=H6dIIUfmUc8NO0pZNfG5eRyXQNvs/FWO1RLC4XodFVw=; b=A1kium/sq8zOdPpNUjEfrNApSh musOHwWbbFZvY+VAm7I19W3OTFGa8fICRzTTGBgVxX5hWk16Lk2kVXQ02K9T/7mcWCbxzyFNR+gAK 5tP87JEOAg3gz0Kw2FNXrZyzoOFkP+H877qUBpIC8cgoAe3F8mp3Kn7PTAcbIgWzgdrmtFm7UtpRH LPv+FjfDLBqRdXcNKfE2af8ffHRR0cNsfi4UNQnDr7dON1cLcZSdyRbV0bsnH0dAy8bq16hc9ZaOv 7ewrlA94jQ39Ygin8I9lQ29LoU3Uz4o0ejMQl22VqqCdCWmjOaA2SAcVWgKHG3wx2LALRTWgPnZjT CtD7LhLg==; Received: from relay8-d.mail.gandi.net ([2001:4b98:dc4:8::228]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBZJg-0000000BHZO-1Po4; Mon, 27 May 2024 12:19:08 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 41DAD1BF206; Mon, 27 May 2024 12:18:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1716812339; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=H6dIIUfmUc8NO0pZNfG5eRyXQNvs/FWO1RLC4XodFVw=; b=bTnKYUeJvoYRvmmPBzaCq35Th5ZcUumDCLdE9crX1ZR1o+bgNKbq/2CzR11AFbJvlbcgdm MGxCR5SkzP7VnAypaGPl1udU7UaUifdomsSBGDn1cq8Mufx7XRAFeA07vW5WiLeouZoPrK DVNCWBqkJAtKex4IBdV+on+xvpmVWLWwDZbFz+H2mXIpFs+tg4O2eo+vnF0XUXAlisLuCn G9vqp5YMTQhY9uWPp762N9BDVdiVDJ5WzpTQCKP/hfwBdwaYE1DGi84DoXAAF0D/Gy6jh1 prbL8hAmFxy5b4+l6rh4QOn3nn+e+TiUtOQgLw3ySZjJrw77pWV+uhrppcEY5w== From: Miquel Raynal To: Arseniy Krasnov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, oxffffaa@gmail.com, kernel@sberdevices.ru Subject: Re: [PATCH v6 3/3] mtd: rawnand: meson: read/write access for boot ROM pages Date: Mon, 27 May 2024 14:18:57 +0200 Message-Id: <20240527121857.178627-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240507230903.3399594-4-avkrasnov@salutedevices.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'04a81b4f9ba1a473af7715168306c23ca4e15a25' X-GND-Sasl: miquel.raynal@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240527_131904_585777_F9F68355 X-CRM114-Status: UNSURE ( 8.65 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Tue, 2024-05-07 at 23:09:03 UTC, Arseniy Krasnov wrote: > Boot ROM on Meson needs some pages to be read/written in a special mode: > 384 byte ECC mode (so called "short" by Amlogic) and with scrambling > enabled. Such pages are located on the chip in the following way (for > example): > > [ p0 ][ p1 ][ p2 ][ p3 ][ p4 ][ p5 ][ p6 ][ p7 ] ... [ pN ] > ^ ^ ^ ^ > > pX is page number "X". "^" means "special" page used by boot ROM - e.g. > every 2nd page in the range of [0, 7]. Step (2 here) and last page in > range is read from the device tree. > > Signed-off-by: Arseniy Krasnov Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic